Island



G H LOVITT TUE HOLDER FOB LOUM SHUTTLES. ARLlcAloN man usc. s. 191s.1,821,651.

Patented Nov. 11', 1919.

IMX/ ENTER ITHNEY:

GEORGE HENRY LOVITT, CF PAWTUCKET, RHODE ISLAND.

TUBE-HOLDER FOR LOOM-SHUTTLES.

Specification of Letters Patent.

Patent-ed Nov. 11,1919.

Application filed December 6, 1918. Serial No. 265,525.

To all whom t may concern: y

Be it known that I, GEORGE HENRY Lovrr'r, a citizen of the UnitedStates, residing at Pawtucket, in the county of Providence and State ofRhode Island, have invented a new and useful Improvement in Tube-Holders for Loom-Shuttles, of which the following is a specification.

My invention has reference to an improvement in loom shuttles and moreparticularly to an improvement in tube holders for loom shuttles.

Tube holders are secured to or form a part of the shuttle spindle andare adapted to detachably secure the tube on the spindle. Such tubeholders must firmly and positively secure the tube to the spindle and ifdetachable, `they must be rigidly secured in place on the spindle, so asnot to become loosened, in the operation of the shuttle. As heretoforeconstructed these tube holders have various defects, such as splittingthe tubes and breaking the silk or yarn on the tubes, failure to holdthe tubes on the spindles and weakening the spindle in constructing thetube holder on the spindle, thereby causing breakage of the spindles andthey are comparatively costly to manufacture.

The object of my invention is to improve the construction of a tubeholder for loom shuttles whereby, the above undesirable features areeliminated and a more perfect tube holder for loom shuttles produced,than has heretofore been done.

My invention consists in the peculiar and novel construction of a tubeholder for loom shuttles, said tube holder having details ofconstruction, as will be more fully set forth hereinafter, and claimed.

Figure 1 is a face view of the spindle end of a loom shuttle, showingthe eye end of the shuttle broken away and the spindle provided with myimproved tube holder, with the tube indicated in broken lines.

Fig. 2 is a longitudinal sectional view through the shuttle and tubeholder, taken on line 2.2 of Fig. 1.

Fig. 3 is a transverse sectional view through the shuttle and tubeholder, taken on line 3.3 of Fig. 1, and

Fig. 4: is a side view of the tube holder removed from the spindle.

In the drawing 5 indicates a loom shuttle having the usual spindle 6provided with my improved tube holder 7 and 8 a tube, indicated inbroken lines. The shuttle 5 spindle 6 and tube 8 are of the usualconstruction, as shown.

My improved tube holder 7 is constructed to have an externallyscrew-threaded tapered bod-y 9on the larger end of which is a collar- 10having the oppositely disposed flattened portions 11.11, the oppositelydisposed radial screw-threaded holes 12.12 eX- ten'zling in from theflattened portions and' a slightly tapered central bore 13 which eX-tends lengthwise through the holder and its the spindle 6, adjacent thepivot end of the spindle, as shown in Fig. 2L A screw 11 isscrew-threaded through each screwthreaded hole 12 and has an innerslightly pointed end 15 which enters a nick 16 in the spindle 6 and alock-nut 17 on the screw 14 engaging with a flattened portion 11 locksthe screw in the tightened position, as shown in Fig. 3.

When in use the tube holder is firmly and positively secured to theshuttle spindle by the screws 14.14 and the screws locked by thelock-nuts 17.17, thereby preventing loosening of the screws and tubeholder. The tubes being made of paper or a comparatively soft fibrousmaterial, are screwed onto the screw-threaded tapered body 9 of the tubeholder, as indicated in broken lines in Figs. 1 and 2', thereby firmlyand positively securing the tube to the spindle, without injury to thetube, or to the thread on the tube, as the tube is secured at its largerend and not in its center, as heretofore.

As the principal element for securing the tube is the externallyscrew-threaded tapered body 9, it is evident that this tube securingelement could be formed integral with the shuttle spindle, adjacent thepivot end of the spindle, and accomplish the same results as thedetachable form shown, and at less cost to manufacture the tube holder.

Having thus described my invention I claim, as new :n

1. In a loom shuttle, a spindle pivotally secured at one end in theshuttle, a tube, a detachable tube holder consisting of an eX- ternallyscrew-threaded tapered member having a collar and a tapered bore fittingthe spindle adjacent the pivot end of the spindle and means in thecollar for detachably securing the tube holder to the spindle, wherebythe tube is secured in place by screwing the larger end of the tube ontothe tube holder.

2. A tube holder for loom shuttles, comprising an externallyscrew-'threaded tapered bodyhaving a collar and a tapered bore adaptedto lit a Vloom shuttle spindle adjacent its pivot end, and lneansrin thecollar adapted to detaohablyseou-re theftube holder to the spindle,whereby a tube is detaohably secured in @place tothe tube holder by`screwing the larger end ofthe tube onto ithesereW-tlneaded tapered bodyof vthe tube 10 holder.

3, A tube holder for looin shuttles, coniprising an externallyscrew-threaded ltaperedbody `9 having a collar 10 on its larger end,oppositely disposed flattened .portions 15 11.11 on the collar,oppositely disposed radial screw-threaded holes 12.12 in the collar andextending in from the Hattened portions, 'a slightly taperedlongitudinal contralhbore 13 adapted to lit a loom shuttle spindleadjacent its pivot end, a screw 14 in each of the screw-threaded holes12.12 in the -oollar and having a slightly pointed end 15 GEORGE HENRYLOVITT.

Copies of this patent Vmay-be obtained for ve Vcents each, by addressingthe Commissioner of Patents,

1 'Washingtonl D. C.

